30470020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{217643}}^1$

素因数の和:217659

約数の個数: 24

約数和(自身を含む): 73128384

約数和(自身を除く): 42658364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 217643, 435286, 870572, 1088215, 1523501, 2176430, 3047002, 4352860, 6094004, 7617505, 15235010, 30470020]

約数ペア:

[(1, 30470020), (2, 15235010), (4, 7617505), (5, 6094004), (7, 4352860), (10, 3047002), (14, 2176430), (20, 1523501), (28, 1088215), (35, 870572), (70, 435286), (140, 217643)]